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Cushion|Lab Grown|IGI

1.72ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG487193459

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG487193459

Diamond specifications and retailer prices

From $304 SGD
$237 USD
As of October 28, 2026
Save $2,298 SGD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,602 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.72ct lab-grown cushion diamond

This 1.72ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487193459 or 487193459. Listed at 13 retailers as of October 28, 2026, with prices from $304 to $2,602, a $2,298 spread on the same certified stone. Do Amore Diamonds lists it at $2,602. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.72
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487193459
Dimensions7.05 × 6.79 × 4.62 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.05 mm6.79 mm1.72 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487193459
Side View
Table 60.5%Crown 36.2°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $700 SGD|Low: $304 SGD|High: $2,897 SGD|Avg: $1,005 SGD|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 9$304 SGD
Retailer 7$336 SGD
Retailer 2$451 SGD
Retailer 3$599 SGD
Retailer 1$700 SGD
Retailer 10$769 SGD
Retailer 8$1,208 SGD
Retailer 4$1,314 SGD
Retailer 6$1,494 SGD
Retailer 5$2,371 SGD

41 data points across 10 retailers

13 retailers$304 SGD to $2,602 SGD

A
Cheapest Retailer
-
$304 SGD
$237 USD
Final sale: no returns
A
Retailer 2
-
$336 SGD
$262 USD
View
B+
Retailer 3
-
$451 SGD
$352 USD
View
A
Retailer 4
-
$590 SGD
$460 USD
View
A
Retailer 5
-
$599 SGD
€445 EUR
View
A
Retailer 6
-
$700 SGD
£430 GBP
View
A
Retailer 7
-
$769 SGD
$600 USD
View
B+
Retailer 8
-
$1,208 SGD
$943 USD
View
Retailer 9
-
$1,314 SGD
$1,025 USD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$1,340 SGD
$1,045 USD
View
B
Retailer 11
-
$1,494 SGD
£918 GBP
View
B
Retailer 12
-
$2,371 SGD
$1,850 USD
View
Most Expensive
B
Do Amore Diamonds
27-BD308F07B · Oct 29
$2,602 SGD
$2,030 USD
View
12 more retailers have this diamond
Prices start from $304 SGDSave up to $2,298 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.72ct Cushion
$304 SGD